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2014.05.01
Joined 11 Apr '07 Moves 92274
In attack
Joined 02 Mar '06 Moves 30138 b8=Q, Qxc8, Qg3# ?
The only way I've found the maintain the Q pin to stop the check without breaking the holding structure around the king...
In attack
Joined 02 Mar '06 Moves 30138 Dammit, just realised QxQ leads to check
Fort Gordon
Joined 24 Jan '11 Moves 13644
Joined 21 Feb '06 Moves 6830 I thought there were two solutions to this, but I've just worked out why one of them fails. My incorrect solution didn't have a mate after 1. (move) d7-d5, although it did after 1. (move) d7-d6.
In attack
Joined 02 Mar '06 Moves 30138 Then what? Na4# falls to the b pawn...
In attack
Joined 02 Mar '06 Moves 30138
In attack
Joined 02 Mar '06 Moves 30138 Kxa5, Nb2, Bxb2#
Kxa5, Qxc8, bxc8=Q#
Kxa5, Qc7, Qxc7#
Kxa5, Qc5, Qxc5#
Kxa5, Qc4, Qxc4#
Joined 21 Feb '06 Moves 6830 That last one isn't mate, Black can recapture with his b-pawn.
In attack
Joined 02 Mar '06 Moves 30138
Joined 21 Feb '06 Moves 6830 The rook on d4 is hanging!
In attack
Joined 02 Mar '06 Moves 30138
In attack
Joined 02 Mar '06 Moves 30138 Ok, how about...
Rh4, Qxc8, Nd5#
In attack
Joined 02 Mar '06 Moves 30138 As far as I can see, any move by either knight or the queen falls to this one...
Joined 21 Feb '06 Moves 6830 That's the solution I came up with, though there are a few other moves to consider (e.g. Black moving his d-pawn one or two squares).
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Problem 4
05 Oct '12 14:18
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